Panasonic HDC-TM55 Camcorder Battery Lithium-Ion 3800mAh - Replacement for Panasonic VW-VBK360 Battery Replacement battery for the Panasonic VW-VBK360, Lithium-Ion (Li-ion) 3.7V (3800mAh) 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark